Taxon Report
Penstemon rattanii Gray var. kleei (Greene) GraySanta Cruz Mountains beardtongue |
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Taxon Summary
Penstemon rattanii var. kleei, commonly known as Santa Cruz Mountains beardtongue, is a perennial herb in the Plantaginaceae that is found only in California. It occurs within Chaparral, Lower montane coniferous forest, and North Coast coniferous forest, growing at elevations from 400 to 1100 meters. Penstemon rattanii var. kleei is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Penstemon rattanii Gray var. kleei (Greene) Gray |
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Common Name: |
Santa Cruz Mountains beardtongue |
| Family: | Plantaginaceae |
| Element Code: | PDSCR1L5B1 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: (Mar)May-Jun | (Mar)May-Jun |
| Elevation: | 400-1100 (1310-3610) |
| General Habitats: | Chaparral, Lower montane coniferous forest, North Coast coniferous forest |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G4T2 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_UCSC |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 6 |
| Element Occurrence Ranks: | |
| Excellent (A) | 2 |
| Good (B) | 2 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 2 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Santa Clara (SCL), Santa Cruz (SCR) | |
| Quads: Name (Quad Code) | |
| Big Basin (3712222), Davenport (3712212), Felton (3712211), Loma Prieta (3712117), Mt. Madonna (3712116), Santa Teresa Hills (3712127) | |
Threat List Data from the CNDDB
| Threat List Total: | 4 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 3 | 50 % | |
| Other | 3 | 50% |
| Development | 1 | 16% |
| Foot traffic/trampling | 1 | 16% |
| Insufficient population/stand size | 1 | 16% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 26 October 2025].